High Quality Pet dog Training Device LED 3 in 1 Anti Barking Stop Bark Ultrasonic Dogs Repeller (without battery)

Features: Light Descriptions: What can you do when your pet dog starts barking non-stop? With the ultrasonic dog trainer, you can train your pet to be obedient, corrects misbehavior and stops barking. The trainer is based on the theory that ultrasound (more than 20KHZ) is above the upper limit of human hearing and super ultrasonic and 2800mcd strong white light. It can activate visual and additive activation to dogs, cats and other animals, but there will be no effects on people.